For sale: A 1782 fixer-upper with thick granite walls, 1950s decor, and armed 24-hour security provided by both Canada and the United States of America.

The almost 7,000-square-foot house, cut into five currently vacant apartments, is on a lot of less than a quarter-acre that, along with the building itself, straddles the border between Beebe Plain, Vermont, and Stanstead, Quebec.

Selling a home in two countries is proving to be a challenge for the couple who owns it.